Oak Grove Mhp - Madison County
EPA ID: IL1195180 · 138 people served · 1 ZIP code
Unlike many utilities its size, Oak Grove Mhp - Madison County carries a violation-free five-year record — no EPA notices, no MCL exceedances, serving 138 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Oak Grove Mhp - Madison County serves a community with a median household income of $57,851 and an estimated 30,036 residents across its service area. Approximately 85% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Oak Grove Mhp - Madison County's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Madison County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded.
Comparable Water Systems
Similar-sized systems in Illinois
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Oak Grove Mhp - Madison County (EPA ID: IL1195180) is a community water system in Illinois that serves approximately 138 people from surface water sources.
This system serves ZIP code 62002 in Alton.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 62002 — Alton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oak Grove Mhp - Madison County (IL1195180) on EPA.gov.
Frequently Asked Questions
Is Oak Grove Mhp - Madison County water safe to drink?
Based on EPA records, Oak Grove Mhp - Madison County has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Oak Grove Mhp - Madison County serve?
Oak Grove Mhp - Madison County serves approximately 138 people across 1 ZIP code in Illinois.
Where does Oak Grove Mhp - Madison County get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.